Glossary

2.4G: Wireless Connection with Gaming Dongle
AC: Alternating Current
ACI: Application Controller Interface
ACK: Acknowledgement
ACL: Asynchronous Connectionless
ADC: Analog to Digital Converter
ADP: Adapter
AEC: Acoustic Echo Cancellation
AES: Advanced Encryption Standard
AG: Audio Gateway
AMA: Alexa Mobile Accessory
AMP: Amplifier
ANC: Ambient Noise Control
ANCS: Apple Notification Center Service
AON: Always ON
AoA: Angle of Arrival
AoD: Angle of Departure
AP: Access Point
APB: Advanced Peripheral Bus
API: Application Programming Interface
APP: Application
APT: Ambient Pass Through
ARM: Advanced RISC Machines
ARP: Address Resolution Protocol
ASCS: Audio Stream Control Service
ATS: Application Transport Security
ASP: Accessory Signalling Protocol
ATT: Attribute Protocol
ADV: Advertising
AUX: Auxiliary
AVRCP: Audio/Video Remote Control Profile
A2DP: Advanced Audio Distribution Profile
ARC4: Alleged Rivest Cipher 4
BA: Broadcast Assistant
BAP: Basic Audio Profile
BAS: Battery Service
BASS: Broadcast Audio Scan Service
BCLK: Bit Clock
BD: Bluetooth Device
BD_ADDR: Bluetooth Device Address
BCD: Binary-Coded Decimal
BIG: Broadcast Isochronous Group
BIS: Broadcast Isochronous Stream
BMR: Broadcast Media Receiver
BMS: Broadcast Media Sender
BNEP: BluetoothNetwork Encapsulation Protocol
BP: Block Protect
BQB: Bluetooth Qualification Body
BR: Basic Rate
BR/EDR: Basic Rate/Enhanced Data Rate
B2B: Bud to Bud
B2S: Bud to Source
CAN: Controller Area Network
CAP: Common Audio Profile
CAS: Common Audio Service
CBC: Cipher-Block Chaining
CCCD: Client Characteristic Configuration Descriptor
CCP: Call Control Profile
CDC: Communications Device Class
CE: Conformité Européene
CFG: Configuration
CFU: Component Firmware Update
CG: Call Gateway
CT: Call Terminal
CIG: Connected Isochronous Group
CIS: Connected Isochronous Stream
CLI: Command Line Interface
CMAC: Cipher Block Chaining-Message Authentication Code
CMD: Command
CMSIS: Cortex Microcontroller Software Interface Standard
COD: Class of Device
CP: Coprocessor
CPU: Central Processing Unit
CRC: Cyclic Redundancy Check
CSCP: Cycling Speed and Cadence Profile
CSCS: Cycling Speed and Cadence Service
CSIS: Coordinated Set Identification Service
CSRK: Connection Signature Resolving Key
CTKD: Cross-Transport Key Derivation
CapTouch: Capacitive Touch Controller
CC: Constant Current
CV: Constant Voltage
CWM: Cywee Motion
CTS: Clear To Send
CS: Chip Select
DES: Data Encryption Standard
DAC: Digital to Analog Convertor
DFU: Device Firmware Upgrade
DHCP: Dynamic Host Configuration Protocol
DID: Device Identification
DIS: Device Information Service
DLPS: Deep Low Power State
DMA: Direct Memory Access
DPD: Deep Power Down
DSA: Digital Signature Algorithm
DSP: Digital Signal Processing
DTM: Direct Test Mode
DUT: Device Under Test
DVFS: Dynamic Voltage Frequency Scaling
DC: Direct Current
EATT: Enhanced Attribute Protocol
ECB: Electronic CodeBook
ECC: Elliptic Curve Cryptography
ECP: Elliptic Curve Parameters
ECDSA: Elliptic Curve Digital Signature Algorithm
ECFC: Enhanced Credit Based Flow Control
EDR: Enhanced Data Rate
EEK: Efuse Encryption Key
EIR: Extended Inquiry Response
EQ: Equalizer
ERWS: Realtek Proprietary Enhanced Real Wireless Stereo Scheme
EUT: Equipment Under Test
EVB: Evaluation Board
EXT: Extension
ETC: Environment Tracking and Calibration
FAE: Field Application Engineer
FCC: Federal Communications Commission
FEC: Forward Error Correction
FER: Frame Error Rate
FM: Frequency Modulation
FMP: Fine Me Profile
FOTA: Firmware Over The Air
FSBL: First Stage Boot Loader
FTL: Flash Transport Layer
FreeRTOS: Free Real Time Operating System
FW: Firmware
FIFO: First In First Out
GAP: Generic Access Profile
GAS: Generic Access Service
GATT: Generic Attribute Profile
GATTS: Generic Attribute Profile Service
GC: Garbage Collection
GCC: GNU Compiler Collection
GDMA: General Direct Memory Access
GFPS: Google Fast Pair Service
GLP: Glucose Profile
GLS: Glucose Service
GN: Group Ad-hoc Network
GPIO: General Purpose Input Output
GPL: General Public License
GUI: Graphical User Interface
HA: Hearing Aid
HAL: Hardware Abstraction Layer
HAP: Hearing Access Profile
HARC: Hearing Aid Remote Controller
HAS: Hearing Access Service
HAUC: Hearing Aid Unicast Client
HAL: Hardware Abstraction Layer
HCI: Host Controller Interface
HDK: Hardware Develop Kit
HF: Hands-Free
HFP: Hands-Free Profile
HID: Human Interface Device
HOGP: HID over GATT Profile
HTP: Health Thermometer Profile
HTS: Health Thermometer Service
HTTP: Hypertext Transfer Protocol
HTTPS: Hypertext Transfer Protocol Secure
HRP: Heart Rate Profile
HRS: Heart Rate Service
HW: Hardware
H2D: Host(MCU) to DSP
iAP: iPod Accessory Protocol
IAS: Immediate Alert Service
IC: Integrated Circuit
ICMP: Internet Control Message Protocol
IDE: Integrated Development Environment
IIS: Internet Information Services
IMU: Inertial Measuring Unit
IO: Input/Output
IoT: Internet of Things
IOT: Interoperability Test
IPC: Inter-Process Communication
IPSP: Internet Protocol Support Profile
IP: Internet Protocol
IPv4: Internet Protocol version 4
IR: Infrared Radiation
IRK: Identity Resolving Key
IRQ: Interrupt Request
ISO: Isochronous
ISR: Interrupt Service Routines
I2C: Inter-Integrated Circuit
I2S: Integrated Interchip Sound
I8080: I8080 Parallel Interface
JTAG: Joint Test Action Group
KCC: Korea Communications Commission
KeyScan: Keyboard Scanner
LC3: Low Complexity Communication Codec
LD: Light Detect
LE: Low Energy
LEA: LE Audio
LED: Light Emitting Diode
LIB: Library
LLAPT: Low Latency Ambient Pass Through
LLS: Link Loss Service
LNP: Location and Navigation Profile
LNS: Location and Navigation Service
LPC: Low Power Comparator
LPS: Low Power State
LTK: Long Term Key
L2CAP: Logical Link Control and Adaptation Protocol
LCDC: Liquid Crystal Display Controller
MAC: Media Access Control
MAP: Message Access Profile
MAS: Message Access Service
MCE: Message Client Equipment
MCLK: Master Clock
MCM: Mutli-Chip Module
MCP: Media Control Profile
MCU: Microprogrammed Control Unit
MD5: Message Digest Algorithm 5
MDK: Microcontroller Development Kit
MEMS: Micro Electro Mechanical System
MFB: Multifunction Button
MFi: Made for iPhone/iPad/iPod
MIC: Microphone
MICS: Mincrophone Control Service
MNS: Message Notification Service
MITM: Man in The Middle
MMI: Man Machine Interface
MP: Mass Production
MSE: Message Server Equipment
MSC: Mass Storage Class
MSE: Message Server Equipment
MTU: Maximum Transmission Unit
MOSI: Master Output Slave Input
MISO: Master In Slave Out
NAP: Network Access Point
NFC: Near Field Communication
NN: Neural Network
NR: Noise Reduction
NV: Non-Volatile
NVIC: Nested Vectored Interrupt Controller
NTC: Negative Temperature Coefficient
NACK: Not Acknowledge
ODM: Original Design Manufacturer
OEM: Original Equipment Manufacturer
OOB: Out-of-Band
OS: Operating System
OSIF: Operating System Interface
OTA: Over the Air
OCV: Open Circuit Voltage
OPP: Object Push Profile
OPI: Octal Peripheral Interface
PA: Periodic Advertising
PAwR: Periodic Advertising with Responses
PAC: Published Audio Capability
PAST: Periodic Advertising Synchronization Transfer
PAN: Personal Area Networking
PANU: Personal Area Networking User
PBAP: Phone Book Access Profile
PACS: Published Audio Capabilities Service
PBP: Public Broadcast Profile
PC: Personal Computer
PCM: Pulse Code Modulation
PDU: Protocol Data Unit
PEM: Privacy Enhanced Mail
PER: Packet Error Rate
PHY: Physical
PID: Product Identification
PINMUX: Pin Multiplexing
PM: Project Manager
PON: Partial ON
PWM: Pulse Width Modulation
PXP: Proximity Profile
QDEC: Quadrature Decoder
QoS: Quality of Service
QSPI: Quad Serial Peripheral Interface
QPI: Quad Peripheral Interface
RAM: Random Access Memory
RCV: Real Clear Voice
RD: Research and Development
RF: Radio Frequency
RHE: Remote Headunit Emulator
RMC: Remote Controller
ROM: Read Only Memory
RPA: Resolvable Private Address
RSA: Rivest-Shamir-Adelman
RSCP: Running Speed and Cadence Profile
RSCS: Running Speed and Cadence Service
RSI: Resolvable Set Identifier
RSSI: Received Signal Strength Indication
RST: Reset
RTC: Real Time Clock
RTL87x3: Include RTL87x3E, RTL87x3D, and RTL87x3EP
RTL87x3D: Include RTL8773DO
RTL87x3E: Include RTL8763EAU, RTL8763EFL, RTL8763ESE, RTL8763EW-VC, RTL8763EWE-VP, and RTL8773ESL
RTL87x3EP: Include RTL8773EWE, RTL8773EWE-VP, RTL8773EWP
RTK: Realtek
RTOS: Real-Time Operating System
RTP: Real Talk Profile
RWS: Real Wireless Stereo
RTS: Request To Send
RX: Receive
SBC: Sub Band Code
SCO: Synchronous Connection Oriented
ScPP: Scan Parameters Profile
ScPS: Scan Parameters Service
SD: Secure Digital
SDE: Scan Delegator
SDIO: Secure Digital Input and Output
SRAM: Static Random Access Memory
SDK: Software Develop Kit
SDP: Service Discovery Protocol
SE: Secure Element
SECP: Sound Effect Customize Platform
SHM: Share Memory
SHA256: Secure Hash Algorithms with a digest size of 256 bits
SHA-1: Secure Hash Algorithm 1
SHA-2: Secure Hash Algorithm 2
SIG: Special Interest Group
SIRK: Set Identity Resolving Key
SMP: Security Manage Protocol
SNK: Sink
SoC: System on Chip
SPDIF: Sony/Philips Digital Interface
SPI: Serial Peripheral Interface
SPIC: SPI Flash Controller
SPK: Speaker
SPORT: Serial Port
SPP: Serial Port Profile
SRC: Source
SRRC: State Radio Regulatory Commission
SSL: Secure Socket Layer
SUT: System Under Test
SSL: Secure Sockets Layer
TLS: Transport Layer Security
SW: Software
SWD: Serial Wire Debug
SYS: System
SLEEP LED: Sleep Mode Led
SDA: Serial Data Line
SCL: Serial Clock Line
SCK: Serial Clock
TCP: Transmission Control Protocol
TG: Target
TIM: Timer
TLS: Transport Layer Security
TMAP: Telephony and Media Audio Profile
TPS: Tx Power Service
TRX: Transceiver
TTS: Text-to-Speech
TWS: True Wireless Stereo
TxPower: Transmit Power
TX: Transmit
UAC: USB Audio Class
UAL: USB Application Layer
UART: Universal Asynchronous Receiver/Transmitter
UAS: USB Audio Stream
UCL: Unicast Client
UDP: User Datagram Protocol
UI: User Interface
UMR: Unicast Media Receiver
UMS: Unicast Media Sender
URL: Uniform Resource Locator
USB: Universal Serial Bus
UUID: Universally Unique Identifier
UX: User Experience
VAD: Voice Activity Detection
VBAT: Voltage Battery
VCS: Volume Control Service
VID: Vendor Identification
VP: Voice Prompts
VoIP: Voice over Internet Phone
WAN: Wide Area Network
WDG: Watch Dog
WFI: Wait for Interrupt
Wi-Fi: Wireless Fidelity
WSP: Weight Scale Profile
WSS: Weight Scale Service
XIP: eXecute In Place
XTAL: External Crystal Oscillator